<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * 课程
 *
 * @icon fa fa-circle-o
 */
class Course extends Backend
{

    /**
     * Course模型对象
     * @var \app\admin\model\Course
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Course;
        $this->view->assign("flagList", $this->model->getFlagList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['video'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('video')->visible(['title','url']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }
    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            $playTree=$this->model::playTree($row['id']);
            $treeData=[];
            foreach($playTree as $k => $v){
                $v=$v->toArray();
                $tmp=[
                    'id' => $v['id'],
                    'title' => $v['title'],
                    'video' =>[],
                ];
                $stId=$v['st_id']?explode('-',$v['st_id']):[];
                foreach($v['video'] as &$v1){
                    $v1['is_st']=$stId && $stId[1]==$v1['id'];
                    $tmp['video'][]=$v1;
                }
                $treeData[]=$tmp;
            }
            $this->assign("playTree", $treeData);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $st_id=$params['st_id'];
            $stids=explode('-',$st_id);
            if(count($stids)>1 && $stids[1]!=0){
                \app\admin\model\Pvideo::where('package_id',$stids[0])->setField('is_st',0);
                \app\admin\model\Pvideo::where(['package_id'=>$stids[0],'video_id'=>$stids[1]])->setField('is_st',1);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }
    public function packages()
    {
        $ids=input('param.ids');
        if($this->request->isAjax()){
            $cids=input('cid');
            $packageList=\app\admin\model\Package::order('weigh desc,id desc')->select();
            $coursePackageList=\app\admin\model\Cpackage::where('course_id',$cids)->order('id desc')->select();
            $checkIds=array_column($coursePackageList,'package_id');
            foreach ($packageList as &$v){
                $v['is_check']=in_array($v['id'],$checkIds)?1:0;
            }
            $result = array("total" => count($packageList), "rows" => $packageList);
            return  json($result);
        }else{
            $this->assignconfig('cids',$ids);
            return $this->view->fetch();
        }

    }

    public function chackPackage()
    {
        $ids=input('param.ids');
        $cid=input('param.cid');
        $list=\app\admin\model\Cpackage::where('course_id',$cid)->where('package_id',$ids)->find();
        if($list){
            $list->delete();
        }else{
            \app\admin\model\Cpackage::create([
                'course_id'=>$cid,'package_id'=>$ids
            ]);
        }
        $this->success('ok');
    }

}
